Christmas Bird Counts - 2022 - 2023 The Christmas Bird Count, organized by the National Audubon Society, occurs December 14 to January 5 and is the nation's longest running citizen science bird project. Find a South Dakota count near you and join in the fun. Read More DateCBCDetails 12/16/2022Ponca CBCAudubon Christmas Bird CountContact: Bill HuserPhone: 7125743107 12/17/2022Sioux Falls CBC 12/17/2022Sioux City CBCAudubon Christmas Bird CountContact: Jerry ProbstPhone: 7124908256 12/18/2022Yankton CBCYankton CBCContact: Roger DietrichPhone: 6056606247 12/31/2022Canton CBC